It is the unsolidified sediment consisting of disordered kaolinite and small amount organic matter and lignite materials.
常含少量有机质或与褐煤矿层等伴生。
It is the unsolidified sediment consisting of disordered kaolinite and small amount organic matter and lignite materials.
常含少量有机质或与褐煤矿层等伴生。
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、词性分
均由互
源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
